How To Flash Recovery

1) Go to adb folder and open cmd or powershell

2) Boot your device into fastboot mode by holding together "volume down + power" and release it after you saw fastboot logo

3) Connect your device to pc

4) In cmd type : fastboot devices

5) If it says "fastboot (number)" that means your device is detected and you can proceed to the next step

6) Type : fastboot flash recovery (recoveryname).img

7) After it says "finished" dont reboot the phone or disconnect your device from pc and boot your device into recovery mode by holding together "volume up + power" and release it after you see the Redmi logo

8) After your device have boot to custom recovery that means it successfully flash the recovery and you can install any roms, kernels or mods that you want